January 21, 2011 6:04 pm Elementary School Investigates Student Sex Act in Classroom The charge is shocking even before you learn that the people allegedly involved are in second grade. US & World Videos 2:42 Cinthia's forecast: Sunny and breezy 2:08 Oakland's Little Saigon hosts first Sunset Market in Clinton Park 0:17 Child hit by car in Oakland 3:52 Pro-Palestinian protests continue at college campuses in Bay Area, across the nation 0:42 1 arrested in Piedmont after attack on elderly man, struggle with police chief